The Irish Manhattan

PreparationCombine the whiskey, vermouth, and bitters to a mixing glass. Fill the glass 2/3 of the way full with ice. Stir for15-20 seconds, then strain into a chilled martini glass. Pour a can of Guinness into a tall glass and allow to settle. Gently scoop all the light foam from the top of the Guinness and place it on top of the drink. Garnish with a maraschino cherry.